Do-Ocracy'' E Democrazia
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Debian: 17 anni di software libero, “do-ocracy” e democrazia Stefano Zacchiroli Debian Project Leader 23 October 2010 Linux Day — Modena, Italy Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 1 / 42 Outline 1 What is Debian? History An OS, a project, a community 2 What’s so special about Debian? 3 More in-depth Commitments Decision making Processes 4 Derivatives 5 Contribute to Debian Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 2 / 42 Prelude — the notion of “distribution” distributions are meant to ease software management key notion: the abstraction of package offer coherent collections of software killer application: package managers Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 3 / 42 Outline 1 What is Debian? History An OS, a project, a community 2 What’s so special about Debian? 3 More in-depth Commitments Decision making Processes 4 Derivatives 5 Contribute to Debian Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 4 / 42 Debian: once upon a time Fellow Linuxers, This is just to announce the imminent completion of a brand-new Linux release, which I’m calling the Debian Linux Release. [. ] Ian A Murdock, 16/08/1993 comp.os.linux.development make GNU/Linux competitive with commercial OS easy to install built collaboratively by software experts 1st major distro developed “openly in the spirit of GNU” GNU-supported for a while trivia: named after DEBra Lynn and IAN Ashley Murdock Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 5 / 42 Since then — 14 releases 1993 development snapshots 1994 0.91 1995 0.93r5, 0.93r6, 1.0 1996 1.1 (Buzz), 1.2 (Rex) 1997 1.3 (Bo) 1998 2.0 (Hamm) 1999 2.1 (Slink) 2000 2.2 (Potato) 2002 3.0 (Woody) 2005 3.1 (Sarge) 2007 4.0 (Etch) trivia: why does Buzz have a 2009 5.0 (Lenny) (Debian) swirl on his chin? 2010 (?) 6.0 (Squeeze) Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 6 / 42 Since then — 12 Debian Project Leaders (DPL) 1993–1996 Ian Murdock 1996–1997 Bruce Perens 1997–1998 Ian Jackson 1999–2001 Wichert Akkerman 2001–2002 Ben Collins 2002–2003 Bdale Garbee 2003–2005 Martin Michlmayr 2005–2006 Branden Robinson 2006–2007 Anthony Towns 2007–2008 Sam Hocevar 2008–2010 Steve McIntyre 2010– yours truly Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 7 / 42 Where do I fit in? user since 1998 DD in March 2001 package maintainer ñ OCaml (team leader), XML, maths, Python, VIM, . Quality Assurance team ñ Package Tracking System http://packages.qa.debian.org DPL candidate in 2009 (FAIL) and 2010 DPL since April 2010 Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 8 / 42 What is Debian? 3 aspects, interlinked: 1 an operating system 2 a project 3 a community Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 9 / 42 Debian: the operating system completely Free Software ñ DFSG ñ contrib, non-free a dozen architectures alpha, amd64, arm, hppa, i386, ia64, mips), powerpc, s390, sparc 2 non-Linux ports upcoming features miscellanea. ports, stability, packaging system, documentation, old hw support, smooth upgrades, i18n/l10n, the testing suite, runs anywhere, technical policy, a lot of packages, The largest GNU/Linux distro ... porting platform 29’000 packages (Squeeze) Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 10 / 42 Debian: the project Common goal: Create the best, Free operating system. Debian Social Contract w/ the Free Software community (1997) 100% Free Software don’t hide problems give back priorities: users & Free Software Debian Constitution (1998) Structures and rules of a Free-Software-compatible democracy Strong motive to join: ≈ 1’000 volunteers, world-wide ≈ 900 DDs + 120 DMs Europe > North America > Australia ≈ Japan > Latin American Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 11 / 42 Debian: the project (cont.) Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 11 / 42 Debian: the community Open development we don’t hide problem fairly easy to impact the work (“show me the code!”) Large amounts of communication mailing lists IRC channels (a few) Web services(, growing) Large number of (tech-savvy) users users help each other, contribute packages, get involved Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 12 / 42 Outline 1 What is Debian? History An OS, a project, a community 2 What’s so special about Debian? 3 More in-depth Commitments Decision making Processes 4 Derivatives 5 Contribute to Debian Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 13 / 42 Debian: one of a kind? 1993 — not many distros back then 17 years later, lots of other distros openSUSE, Linux Mint, PCLinuxOS, Slackware, Gentoo Linux, CentOS, FreeBSD, Arch, Sabayon, Puppy, Lubuntu, MEPIS, Ultimate, NetBSD, Tiny Core, Zenwalk, CrunchBang, Dreamlinux, Vector, Kubuntu, Maemo, Red Hat, aptosid, Peppermint, PC-BSD, Chakra, Salix, ClearOS, KNOPPIX, Xubuntu, Super OS, BackTrack, gOS, TinyMe, Zentyal, EasyPeasy, Frugalware, Clonezilla, Pardus, Meego, OpenBSD, Quirky, PC/OS, Zorin, Debian, SystemRescue, Element, Unity, SliTaz, Macpup, wattOS, Scientific, Mythbuntu, Slax, DragonFLY, Elive, linux-gamers, 64 Studio, Ubuntu, mageia, Nexenta, Parisx, NuTyX, GhostBSD, Kongoni, moonOS, LFS, Lunar, Imagineos, Untangle, Fedora, Yellow Dog, aLinux, Yoper, IPFire, BlankOn, Mandriva, PureOS, FreeNAS, Moblin, Linpus, TurboLinux, blackPanther, . with many differences: technical choices support release management packaging system release schedule user base target user look & feel ... community How is Debian different? Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 14 / 42 Debian’s special #1: package quality “ Culture of technical excellence ” package design: Policy i.e. “how a package should look like” package testing: lintian, piuparts, archive rebuilds (FTBFS), . package maintainers are sw experts no 2nd class packages, all are equal Debian release mantra we release when it’s ready Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 15 / 42 Debian’s special #2: freedom Firm principles: devs and users bound by the Social Contract 1 promoting the “culture of Free Software” since 1993 2 free the bottom up ñ in its software firmware included ! ñ in its infrastructure no non-free web services (for users) no non-free services (for developers) Community awareness, users: know trust Debian not to betray sw freedom set a high bar for sw freedom advocates Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 16 / 42 Debian’s special #3: independence Debian is an independent entity no (single) company babysitting us living up on: 1 donations (money & hardware) 2 gift-economy . quite remarkable in today “big” distro world people trust Debian choices not to be “profit-driven” Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 17 / 42 Debian’s special #4: decision making 1 do-ocracy An individual Developer may make any technical or nontechnical decision with regard to their own work; [ Debian Constitution, §3.3.1.1 ] 2 democracy Each decision in the Project is made by one or more of the following: 1. The Developers, by way of General Resolution [...] [ Debian Constitution, §2 ] that means: reputation follows work no benevolent dictator, no oligarchy no imposed decisions by who has money, infrastructure, people, . Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 18 / 42 Outline 1 What is Debian? History An OS, a project, a community 2 What’s so special about Debian? 3 More in-depth Commitments Decision making Processes 4 Derivatives 5 Contribute to Debian Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 19 / 42 Social Contract (1997) one of Debian Foundation Documents tacit agreement between Debian and the community we declare that: 1 Debian will remain 100% Free Software 2 we will give back to the Free Software community 3 we will not hide problems 4 our priorities are our users and Free Software 5 works that do not meet our Free Software standards ñ not Debian, but hosted there ñ main, contrib, non-free http://www.debian.org/social_contract Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 20 / 42 Debian Free Software Guidelines (DFSG) the Social Contract relies on a “definition” of Free Software the other Debian Foundation Document guidelines only — not hard rules used to help decide what is part of Debian apply to the “license” of a given software trivia: basis for Open Source Definition / Initiative http://www.debian.org/social_contract#guidelines Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 21 / 42 Debian Free Software Guidelines (DFSG) (cont.) 1 must allow free redistribution 2 must include source code 3 must allow derived works ñ although may require integrity of the author’s source code 4 must not discriminate against ñ person or groups ñ fields of endeavour 5 distribution of license ñ i.e. licenses apply implicitly / by default 6 license must not be specific to Debian 7 license must not contaminate other software ñ e.g. on the same medium Stefano Zacchiroli (Debian) Debian: do-ocracy e democrazia Modena, Italy 21 / 42 Debian Free Software Guidelines (DFSG) (cont.) some DFSG-free licenses: BSD, GPL, LGPL, MIT/X11, AGPL, CC-BY 3.0, . some non-DFSG-free licenses: all the “bad” ones GFDL w/ invariant sections Stefano Zacchiroli